code: def load_ipython_extension(ip):
      ip.register_magics(PyOpenCLMagics)
  
file_path: pyopencl/pyopencl/ipython_ext.py
imports: from IPython.core.magic import magics_class, Magics, cell_magic, line_magic
  import pyopencl
label_desc: Use image node_id 1 for calling a global function with example usage: load_ipython_extension(ip) without return types